Find the nonpermissible replacement for a in this expression 3/4a

Answers

Answer 1

Under the assumption your expression is [tex]\frac{3}{4a}[/tex], a cannot equal 0. If a=0, then 4a=0 and we have division by 0, which is undefined.
If your original expression was [tex]\frac{3}{4}a[/tex], a could be any real number.

Answer 2

they are correct the answer is 0

Related Questions

Kevin is 4 times as old as Daniel and is also 6 years older than Daniel.

Answers

Hello!

Here's what you know:

· Kevin's age is 4 times Daniel's age.
· Kevin's age is 6 more than Daniel's age.

In numbers:
· 4d
· d + 6

where d is Daniel's age. Kevin's age is constant, and both expressions represent his age, so you can set them equal to each other to solve for d.

4d = d + 6
4d - 6 = d
-6 = -3d
2 = d

Daniel is 2 and Kevin is 8.

I hope this helps you!

. (02.02 HC) Dominic earns $18 an hour plus $25 an hour for every hour of overtime. Overtime hours are any hours more than 35 hours for the week. Part A: Create an equation that shows the amount of money earned, E, for working x hours in a week when there is no overtime. (3 points) Part B: Create an equation that shows the amount of wages earned, T, for working y hours of overtime. Hint: Remember to include in the equation the amount earned from working 35 hours. (3 points) Part C: Dominic earned $730 in 1 week. How many hours (regular plus overtime) did he work? Show your work. (4 points) (10 points)

Answers

Part A)
Let
E-----------> the amount of money earned
x----------> hours working in a week-----> $18 an hour
we know that
E=18x ---------> equation that shows the amount of money earned for working x hours in a week
conditioned to x<= 35 hours--------> is no overtime

Part B)
Let
T----------------> the amount of money earned
y -------------- > hours of overtime-------> $25 an hour
for x=35 hour----------> E=18*35=$630
T=630+25y------> equation that shows the amount of wages earned for working y hours of overtime and 35 hour in a week

Part C)
if Dominic earned $730 in 1 week
$630------------> earned for working 35 hours in a regular week
[hours of overtime]=(730-630)/25=100/25=4 hours

[total hours worked]=35+4=39 hours

the answer is 39 hours (35 hours regular +4 hours overtime)

Calculus HELP PLEASE? A highway runs due north. A car traveling at 50 mph exits the highway at a 30° angle. After driving another 1.5 hours at the same speed and direction, how far away is the car from the highway?

Answers

check the picture below.

notice that the car exits the northbound highway, and whilst going at 50mph for 1.5 hours, that simply means going for 75 miles.

make sure your calculator is in Degree mode.

Answer:

37.5 miles is the answer.

Step-by-step explanation:

Since car is travelling with a speed = 50 mph

Angle between the highway and the track on which the car is travelling = 30°

Now we know sin∅ = distance between highway and the car/Distance traveled by the car on the new track

Distance traveled by the car in 1.5 hours = speed × time

= 50 × 1.5 = 75 mi.

Therefore sin 30° = x/75

x = 75×sin30° = 75 × 1/2 = 37.5 mi.

Therefore the answer is 37.5 mi away.

describe the vertical asymptotes) and holes) for the graph of y=(x+2)(x+4)/(x+4)(x+1)
A. asymtotes: x=-1 and hole: x=4
B. asymtotes: x=2 and hole: x=-1
C. asymtotes: x= -1 and hole: x=-4
D. asymtotes: x=1 and hole: x=4
Can someone plzzzz help me!??

Answers

For this case what you should do is check the points where the function is NOT defined.
The function is not defined for those values where the denominator is equal to zero.
We have then:
y = (x + 2) (x + 4) / (x + 4) (x + 1)
Studying the denominator:
(x + 4) (x + 1) = 0
x = -4
x = -1
Answer:
C. asymtotes: x = -1 and hole: x = -4

Explain why the function f(x)=x^2 is not invertible

Answers

It doesn't pass the horizontal line test. (A function will be invertible if a horizontal line only crosses its graph in one place, for any location of that line.)

When you reflect the curve across the line y=x, it becomes multiple-valued, hence its inverse is not a function.

Complete the statement If x/7 = 5/3, then x+7/7 =?

Answers

Lets get started :)

[tex] \frac{x}{7} = \frac{5}{3} [/tex]
We can cross multiply, to find the value of x
3x = 7 x 5
3x = 35
We have to divide by 3 on either sides to isolate x
[tex] \frac{3x}{3} = \frac{35}{3} [/tex]
3 and 3 cancels out

x = [tex] \frac{35}{3} [/tex]

Then, x + [tex] \frac{7}{7} [/tex] ( 7 divided by 7 is 1)
[tex] \frac{35}{3} [/tex] + 1 = [tex] \frac{38}{3} [/tex]

An angle measures 72° less than the measure of a complementary angle. What is the measure of each angle?

Answers

Complementary angles: Two angles that add to 90 degrees

Angle a: 90 degrees - 72 degrees = 18 degrees
Angle b: 72 degrees

Answer: [tex]81^{\circ}\ \text{ and }\ 9^{\circ}[/tex]

Step-by-step explanation:

We know that the sum of two complementary angles is [tex]90^{\circ}[/tex].

Given : An angle measures 72° less than the measure of a complementary angle.

Let x be the angle , then the measure of other angle will be x-72.

Since they area complementary , then we have

[tex]x+x-72=90\\\\\Rightarrow\ 2x=90+72\\\\\Rightarrow\ 2x=162\\\\\Rightarrow\ x=\dfrac{162}{2}=81[/tex]

Therefore, the measure of angles are :

[tex]81^{\circ}\ \text{ and }\ (81-72)^{\circ}=9^{\circ}[/tex]

look at the pictures below

Answers

the answer might be negative one over 4 because it is the same but the red line is on negative

Use the chart above to determine the premium for 10-year term insurance. $10,000 policy for a 35-year-old male. Premium = _____?

6.11

61.10

611.00

6,110.00

Answers

Answer:

Option B 61.10

Step-by-step explanation:

Given is a chart giving the premium to be paid for 10 year term insurance for different age groups for an amount of 1000 policy.

We have to calculate the premium for a 35 year old man for 10 year term insurance for 10000 policy.

From the chart we find that for a 35 year old man premium = 6.11

This premium is for 1000 dollars.

Since here sum assured is 10000 dollars, we get the premium

=6.11(10) = 61.10 dollars

Option B is correct

Premium = 61.10 dollars

A circle has an arc of length 24pi that is intercepted by a central angle of 80 degrees. what is the radius of the circle?

Answers

circumference = 2pi r

80/360 x 2pi x r = 24pi
r = 54

How would paying off the lowest outstanding balance credit card first be beneficial over paying off the one with the highest interest rate?

Answers

Final answer:

Paying off the lowest outstanding balance credit card first can be beneficial for motivation and momentum, even if it's not the most mathematically efficient approach.

Explanation:

When paying off credit card debt, it can be beneficial to start by paying off the credit card with the lowest outstanding balance. This approach is called the Snowball Method and is popularized by financial expert Dave Ramsey. The Snowball Method focuses on tackling the smallest debt first, regardless of the interest rate, as it provides a psychological boost and motivates individuals to continue paying off their debts.

By paying off the smallest debt first, you can quickly eliminate one of your credit card balances. This can give you a sense of accomplishment and momentum to continue paying off your other debts. It's important to note that while the Snowball Method may not be the most mathematically efficient approach in terms of saving on interest payments, it can be effective in helping individuals stay motivated and committed to paying off their debts.

The volume, V, of a soap bubble is related to its surface area, A. In cubic centimeters, this relationship is shown by the formula V = 0.094A 3/2. What is the surface area of a bubble with a volume of 5 cm3 ?

Answers

First let's rewrite the volume expression correctly:
V = 0.094 * (A) ^ (3/2)
Now we clear the area:
(A) ^ (3/2) = V / 0.094
A = (V / 0.094) ^ (2/3)
We now replace the volume:
A = (5 / 0.094) ^ (2/3)
A = 14.14364782 cm ^ 2
Answer:
The surface area of a bubble with a volume of 5 cm3 is:
A = 14.14364782 cm ^ 2

The surface area of a soap bubble with a volume of 5 cm³, given the relationship V = 0.094 [tex]A^{3/2[/tex], can be calculated by rearranging and solving the formula, resulting in an approximate surface area of 36.3 cm².

To find the surface area of a soap bubble with a volume of 5 cm³, using the given relationship V = 0.094 [tex]A^{3/2[/tex], we need to rearrange the formula to solve for A (the surface area). We will take the following steps to find A:

First, divide both sides of the equation by 0.094 to isolate [tex]A^{3/2[/tex] on one side:

[tex]A^{3/2[/tex] = V / 0.094

Next, substitute V = 5 cm³ into the equation:

[tex]A^{3/2[/tex] = 5 / 0.094

Calculate the right-hand side:

[tex]A^{3/2[/tex] ≈ 53.19

Finally, raise both sides of the equation to the power of 2/3 to solve for A:

A = [tex](53.19)^{2/3[/tex]

Calculating the right-hand side gives us the surface area A. After performing these calculations, we find that the surface area of a bubble with a volume of 5 cm³ is approximately 36.3 cm².

Consider the quadratic equation. x^2=4x-5. How many solutions does the equation have? a.) one real solution b.) two real solutions c.)no real solutions d.)cannot be determined

Answers

C - you have to check the discriminant (the number under the radical in the quadratic formula). If it’s positive, there are two real solutions. If it’s zero, just one. And if it’s negative, there are no real solutions.

I am pretty sure it is b.)two real solutions

Group of kids rode horses to canyon. 20 eyes 30 legs between them. How many horses

Answers

If all were kids, there would be 20 legs. A horse has 2 more legs than a kid. The extra 10 legs can be attributed to there being 5 horses.

Final answer:

To solve this problem, we set up equations based on the total number of eyes and legs. By solving the system, we find that the group consists of 5 horses.

Explanation:

The question asks us to solve a problem involving a group of kids and horses by using the given information about the total number of eyes and legs. Since humans have two eyes and two legs, and horses have two eyes and four legs, we can set up a system of equations to find the solution.

Let's denote the number of kids as 'k' and the number of horses as 'h'. Since each human and horse has two eyes, the total number of eyes is given by the equation: 2k + 2h = 20. Similarly, the total number of legs is given by the equation: 2k + 4h = 30. Solving these equations will give us the number of kids and horses in the group.

Solving for 'k' from the first equation gives us k = 10 - h. Substituting this into the second equation gives us 2(10 - h) + 4h = 30. Simplifying this equation results in 20 - 2h + 4h = 30, which further simplifies to 2h = 10, and thus h = 5. Therefore, there are 5 horses in the group.

The measure of dispersion which is not measured in the same units as the original data is the
a. variance
b. standard deviation
c. median
d. coefficient determination

Answers

Variance is not expressed in the same units as the original data.

Variance is measured by:

Finding the difference between the mean of a data set and the variables in the data set Squaring this difference Summing up the squares

Because variance is squared, it is no longer the same units as the rest of the data set. For instance, if the data set is in centimeters, the variance will be in centimeters².

In conclusion, the variance of a data set is not measured in the same unit as the data set.

Find out more at https://brainly.com/question/20317994.

Final answer:

The measure of dispersion which is not measured in the same units as the original data is the variance.

Explanation:

The measure of dispersion which is not measured in the same units as the original data is the variance. The variance is a squared measure and does not have the same units as the data. On the other hand, the standard deviation is derived from the variance and it measures the spread in the same units as the data.

Then again, the standard deviation, which is the square foundation of the fluctuation, is estimated in similar units as the first information. It gives a proportion of the spread of the information that is all the more effectively interpretable. The middle is a proportion of focal inclination and doesn't give data about the scattering or spread of the information.

The coefficient of assurance, otherwise called R-squared, is a proportion of how well the relapse line fits the information and isn't straightforwardly connected with scattering.

Algebraically prove that X^3+10/x^3+9=1+ 1/x^3+9 where x is not equal to -3

Answers

Algebraically prove that X^3+10/x^3+9=1+ 1/x^3+9 where x is not equal to -3
[tex] \dfrac{x^3+10}{x^3+9}=1+\dfrac{1}{x^3+9} \\ \\ \\ \dfrac{x^3+10}{x^3+9}=\dfrac{(x^3+9)+1}{x^3+9}\\ \\ \\ \dfrac{x^3+10}{x^3+9}=\dfrac{x^3+10}{x^3+9} \\ \\ \\x\in R \qquad x\in (-\infty, +\infty) [/tex]

Use the quadratic formula to determine the exact solutions to the equation.

x^2−2x−4=0

Enter your answers in the boxes.

x=__ or x=___

Answers

Answer: " x = 1 + √5 " or " x = 1 − √5" .
______________________________________________________
Given:
______________________________________________________

" x² − 2x − 4 = 0 " ;
______________________________________________

Solve for "x" by using the "quadratic formula" :

Note: This equation is already written in "quadratic format" ; that is:

" ax² + bx + c = 0 " ; { "a [tex] \neq [/tex] 0" } ;

in which: "a = 1" {the implied coefficient of "1" ;
since "1", multiplied by any value, equals that same value};

"b = -2 " ;

"c = -4 " ;
_______________________________________________________
The quadratic equation formula:

x = { - b ± √(b² − 4 ac) } / 2a ; {"a[tex] \neq [/tex]0"} ;
______________________________________________________
Substitute our known values:
______________________________________________________

→ x = { - (-2) ± √[(-2)² − 4(1)(-4)] } / 2(1) ;

→ x = { 2 ± √(4 − 4(-4) } / 2 ;

→ x = { 2 ± √(4 − (-16) } / 2 ;

→ x = { 2 ± √(4 + 16) } / 2 ;

→ x = { 2 ± √(20) } / 2 ;

→ x = { 2 ± √4 √5} / 2 ;

→ x = { 2 ± 2√5} / 2 ;

→ x = 1 ± √5 ;

_______________________________________________________
→ "x = 1 + √5" or "x = 1 − √5" .
_______________________________________________________

what is the approximate distance between the points (-5 1) and (-2 3) on a coordinate grid

Answers

[tex]\bf ~~~~~~~~~~~~\textit{distance between 2 points}\\\\ \begin{array}{ccccccccc} &&x_1&&y_1&&x_2&&y_2\\ % (a,b) &&(~ -5 &,& 1~) % (c,d) &&(~ -2 &,& 3~) \end{array}~~ d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[-2-(-5)]^2+[3-1]^2}\implies d=\sqrt{(-2+5)^2+(3-1)^2} \\\\\\ d=\sqrt{3^2+2^2}\implies d=\sqrt{13}[/tex]

A customer buys 3 bottles of water for ninety-nine cents each seven percent tax on each bottle what is the total bill

Answers

$3.18 when the tax is applied to each bottle separately or at the end of the bill.

The bill before tax is
.. 3*$0.99 = $2.97

The tax is
.. 0.07*$2.97 = $0.2079 ≈ $0.21

The total bill, including tax is
.. $2.97 +0.21 = $3.18

______
This is how every bill is computed wherever you may shop. It is a good idea to figure this out.

This figure shows circle Z with chords AB and RS . mAR=55° mRB=66° AB=8 m RS=8 m What is mRS?

Answers

m AR = 55°
m RB = 66°
Like AB=8 m =RS →m RS = m AB

m AB = m AR + m RB
m AB = 55° + 66°
m AB = 121°

m RS = m AB
M RS = 121°

Answer: m RS is 121°

Answer:

The correct answer is, mRs = 121°

Step-by-step explanation:

From figure we get ,

mAR=55° mRB=66° AB=8 m RS=8 m

To find mRS

Using given information we can write,

mAB = mAR + mRB = 55 + 66 = 121°

Since AB=8 m RS=8 m,

AB = RS

⇒ mAB = mRS

mAB = 121°

Therefore mRS = 121°

The correct answer is given by,

mRS = 121°

Solve x + y + z = 12
2x – y – z = -6
x + 3y + 5z = 44

(4, 3, 5)

no solutions

(2, 4, -6)

(2, 4, 6)

Answers

The answer is (2,4,6)
Proof:

Solve the following system:{x + y + z = 12 | (equation 1){2 x - y - z = -6 | (equation 2){x + 3 y + 5 z = 44 | (equation 3)
Swap equation 1 with equation 2:{2 x - y - z = -6 | (equation 1){x + y + z = 12 | (equation 2){x + 3 y + 5 z = 44 | (equation 3)
Subtract 1/2 × (equation 1) from equation 2:{2 x - y - z = -6 | (equation 1){0 x+(3 y)/2 + (3 z)/2 = 15 | (equation 2){x + 3 y + 5 z = 44 | (equation 3)
Multiply equation 2 by 2/3:{2 x - y - z = -6 | (equation 1){0 x+y + z = 10 | (equation 2){x + 3 y + 5 z = 44 | (equation 3)
Subtract 1/2 × (equation 1) from equation 3:{2 x - y - z = -6 | (equation 1){0 x+y + z = 10 | (equation 2){0 x+(7 y)/2 + (11 z)/2 = 47 | (equation 3)
Multiply equation 3 by 2:{2 x - y - z = -6 | (equation 1){0 x+y + z = 10 | (equation 2)v0 x+7 y + 11 z = 94 | (equation 3)
Swap equation 2 with equation 3:{2 x - y - z = -6 | (equation 1){0 x+7 y + 11 z = 94 | (equation 2){0 x+y + z = 10 | (equation 3)
Subtract 1/7 × (equation 2) from equation 3:{2 x - y - z = -6 | (equation 1){0 x+7 y + 11 z = 94 | (equation 2){0 x+0 y - (4 z)/7 = (-24)/7 | (equation 3)Multiply equation 3 by -7/4:{2 x - y - z = -6 | (equation 1){0 x+7 y + 11 z = 94 | (equation 2){0 x+0 y+z = 6 | (equation 3)
Subtract 11 × (equation 3) from equation 2:{2 x - y - z = -6 | (equation 1){0 x+7 y+0 z = 28 | (equation 2){0 x+0 y+z = 6 | (equation 3)
Divide equation 2 by 7:{2 x - y - z = -6 | (equation 1){0 x+y+0 z = 4 | (equation 2){0 x+0 y+z = 6 | (equation 3)
Add equation 2 to equation 1:{2 x + 0 y - z = -2 | (equation 1){0 x+y+0 z = 4 | (equation 2){0 x+0 y+z = 6 | (equation 3)Add equation 3 to equation 1:{2 x+0 y+0 z = 4 | (equation 1){0 x+y+0 z = 4 | (equation 2){0 x+0 y+z = 6 | (equation 3)
Divide equation 1 by 2:{x+0 y+0 z = 2 | (equation 1){0 x+y+0 z = 4 | (equation 2){0 x+0 y+z = 6 | (equation 3)
Collect results:

Answer: {x = 2, y = 4 , z = 6

Answers anybody?????

Answers

The area is the same no matter how you calculate it.
.. (1/2)*20*12 = (1/2)*30*h
.. h = (2/3)*12 = 8 . . . . . feet

the inverse of an exponential function is the quadratic function? true or false?

Answers

False.

The inverse of an exponential function is a logarithmic function.

Hope this helps!

Are the two triangles are congruent ?

Answers

Yes, they're congruent because they're still in their original shape.

yes they are. they both have the same measurements.

Johnny is five years older than his brother. the sum of their ages is 37. how old is Johnny

Answers

Johnny is 21 years old.
If you take 21 and add 16, you get 37.

21+16= 37
21-16= 5

johnny is 21 years old

A rectangular prism has a volume of 360 in3. If the height measures 4 in., which base measurements could the prism have? 4 in. by 20 in. 45 in. by 45 in. 6 in. by 15 in. 5 in. by 19 in.

Answers

V = 360 in³
Let Ab = area of the base
h = 4 in

V = Ab × h

360 = Ab × 4

Ab = 360 ÷ 4

Ab = 90 in²

Ab = l × w
The product of the base measurements must be 90.
90 = l × w

⇒ 6 in × 15 in = 90 in² ⇒ The base measurements could be: 6 in by 15 in

The formula represents the surface area S of a cube with side lengths x.

S=6x^2

Solve for x.

Answers

The solution of x is √(S/6).

The formula to find the surface area of a cube with side lengths x is:

S = 6x2

To solve for x:

Divide both sides by 6: S/6 = x2

Take the square root of both sides to isolate x: x = √(S/6)

Given cos A = 0.25 find angle A in degrees. Round your answer to the nearest hundredth.

34.12°

123.98°

56.78°

75.52°

Answers

we have that
cos A=0.25
so
A=arc cos (0.25)-------> using a calculator----> A=75.5225°
Round to the nearest hundredth-----> A=75.52²

the answer is
the option 75.52°

Does the function model exponential growth or decay? g(t)=1.7 * 0.8^t

Answers

Answer:

decay

just answered this question.

Step-by-step explanation:

Answer:

decaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecaydecay

Step-by-step explanation:

All side lengths of ΔJKL equal 2 units. A transformation maps ΔJKL to ΔJ'K'L'. The length of side J'K' is 5 units. Is this a rigid transformation?

No, there is no one-to-one mapping of all the points of the pre-image to the image.
No, at least one segment length is not preserved, making this a nonrigid transformation.
Yes, the vertices of the pre-image map to the vertices of the image.
Yes, all of the side lengths of the pre-image are proportionate to the image.

Answers

no because at least one segment length is not preserved.
rigid means everything stays the same, but orientation sometimes changes.

No, at least one segment length is not preserved, making this a nonrigid transformation. Option B is correct.

What is geometric transformation?

It is defined as the change in coordinates and the shape of the geometrical body. It is also referred to as a two-dimensional transformation. In the geometric transformation, changes in the geometry can be possible by rotation, translation, reflection, and glide translation.

It is given that, all side lengths of ΔJKL equal 2 units. A transformation maps ΔJKL to ΔJ'K'L'. The length of side J'K' is 5 units.

A transformation that leaves a geometric figure's size or shapes unchanged is known as a rigid transformation. It is a unique type of metamorphosis in which a figure's size or shape is left unchanged.

From the definition, it is obtained that there is no rigid transformation because at least one segment length is not preserved.

Thus, no at least one segment length is not preserved, making this a nonrigid transformation. Option B is correct.

Learn more about the geometric transformation here:

brainly.com/question/16156895

#SPJ5

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